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Date: Sat, 10 Sep 2022 17:16:13 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Chengming Gui <Jack.Gui@....com>, Hawking Zhang <Hawking.Zhang@....com>, Alex Deucher <alexander.deucher@....com>, Sasha Levin <sashal@...nel.org>, christian.koenig@....com, Xinhui.Pan@....com, airlied@...ux.ie, daniel@...ll.ch, Likun.Gao@....com, john.clements@....com, candice.li@....com, tao.zhou1@....com, guchun.chen@....com, Bokun.Zhang@....com, amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org Subject: [PATCH AUTOSEL 5.19 28/38] drm/amd/amdgpu: skip ucode loading if ucode_size == 0 From: Chengming Gui <Jack.Gui@....com> [ Upstream commit 39c84b8e929dbd4f63be7e04bf1a2bcd92b44177 ] Restrict the ucode loading check to avoid frontdoor loading error. Signed-off-by: Chengming Gui <Jack.Gui@....com> Reviewed-by: Hawking Zhang <Hawking.Zhang@....com> Signed-off-by: Alex Deucher <alexander.deucher@....com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index e9411c28d88ba..c50f0d336e158 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -2372,7 +2372,7 @@ static int psp_load_smu_fw(struct psp_context *psp) static bool fw_load_skip_check(struct psp_context *psp, struct amdgpu_firmware_info *ucode) { - if (!ucode->fw) + if (!ucode->fw || !ucode->ucode_size) return true; if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC && -- 2.35.1
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